Home / 2,043.38-2,819.87-1,111.88

Finding the Fourth Proportional to 2,043.38, 2,819.87 and 1,111.88

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Solution

The fourth proportional to 2,043.38, 2,819.87 and 1,111.88 is: 1,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.38 : 2,819.87 = 1,111.88 : x
  2. Step 2: Convert to fraction form
    2,043.38/2,819.87 = 1,111.88/x
  3. Step 3: Cross multiply
    2,043.38x = 2,819.87 × 1,111.88
  4. Step 4: Simplify right side
    2,043.38x = 3,135,337.40
  5. Step 5: Solve for x
    x = 3,135,337.40/2,043.38
  6. Step 6: Final answer
    x = 1,534.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.